Class 8 Exam  >  Class 8 Notes  >  Mental Mathematics for Class 8  >  Worksheet: Playing with Numbers

Worksheet: Playing with Numbers | Mental Mathematics for Class 8 PDF Download

Q1: Use <, >, or =. seventeen million seventeen thousand seventy-six ____ 17 170 076

Q2: Express in standard form: fifty-four thousand, seven hundred two

Q3: Express in standard form: three hundred thirty million, forty-nine thousand, eleven

Q4: What is the area of a square tabletop with a side length of 40 cm?

Q5: A $20 debt is shared equally among five students. How much does each student owe?

Q6: A shed covers an area of 24 square metres in a 10 m by 10 m green space. What is the size of the green space not covered?

Q7: How much longer is the side length of a square that has an area of 81 cm2 than one that has an area of 36 cm2?

Q8: Solve and simplify: √25 - √36

Q9: A square has an area of 100 cm2. What is the perimeter?

Q10: Starting at 1 x 1 on a multiplication chart, in what direction do the perfect squares all form a straight line?

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